reverse_bits

/**
 * @input A : Integer
 *
 * @Output Integer
 */
unsigned int reverse(unsigned int A) {
    int j,i;
    unsigned long int n;
    int bin[32];
    for(j=0;j<32;j++)
    {
        bin[j]=(A%2);
        A=A/2;
    }
    n=0;
    for(i=0;i<32;i++)
    {
        n=(n*10)+bin[i];
    }
    return n;
}